Measurement of Nitrogen Diffusion in Chromium by Anelastic Methods

Abstract

The internal friction peak for nitrogen in dilute solutions in very pure chromium occurs at 160°C for ∼1 cps but is unstable due to partial precipitation of nitrogen. Interpretation of internal friction data at low frequencies and elastic aftereffect measurements in terms of the theory of Snoek gives the lattice diffusion rate of nitrogen in chromium as D=3×10−4 exp (−24 300/RT).